Round wire concentric stranded hollow wire refers to conductive wire without insulation or protective layer. Due to its low price and convenient installation and maintenance, it is widely used for long-distance power transmission on power lines. Its main products include aluminum stranded wire, steel core aluminum stranded wire, aluminum clad steel core aluminum stranded wire, aluminum alloy stranded wire, aluminum clad steel stranded wire, etc. The calculation of the cross-sectional area of the hollow wire of the circular wire concentric twisted frame
Taking the model and specification of JLHA22500237 aluminum alloy stranded wire as an example, the cross-sectional area is calculated, where the model
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
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1. Telephone communication and confirmation of requirements
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1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China